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NX二次开发中有关表达式的操作代码分享
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4 E7 S2 I) ]$ }' i- <p>static void do_UGopen_api(void); }" n' _4 v! A
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- // create block 1
4 p% I( j4 P( K# c - double coner[3] = {0,0,0};
! M" V% S0 }( k) { j' z - char *edges[3] = {"l=100","w=100","h=20"};
" S' ?3 Q! u+ c/ f; Q - tag_t blk_tag;
# F# q5 K0 B( Z5 B: j0 R4 b9 N - UF_MODL_create_block1(UF_NULLSIGN,coner,edges,&blk_tag);0 L* N$ H h5 ^
- // create a hole
% N' n8 Z; W+ _- K) H. m - double dir[3] = {0,0,1};" o3 c; G. P& [. l0 V3 j
- double coner1[3] = {50,50,0};
+ i+ w+ _4 T" u: _2 y% ~+ n4 }1 w ^ - tag_t cyl_tag;% e. A: N1 `7 h: S
- UF_MODL_create_cyl1(UF_POSITIVE,coner1,"h+30","50",dir,&cyl_tag);</p><p> /*: @/ z* l3 L. E+ Z" ~& Q$ q3 W6 ?
- create expression and delete it
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- // create expression
; B% f/ V; a! @' @1 v' }0 l, F# ^ - char *exp_str,*str,*value;
& D1 Y7 h% S) W8 V - exp_str = "new_exp= 100";
( J7 n6 n9 `4 | - tag_t new_exp,old_exp_tag;" M* ~, w; W5 k, B! k J( [# o
- char *str_exp,*str_old_exp;, G/ L0 T5 J4 ~) Q+ [; M! e' Y
- int nums;
. d- O1 t$ I4 z, [! l: {* a - tag_t *exps;5 t+ C8 `5 b2 D
- // before create the new expression, we need check if the expressions have been created or not
G M. z3 g' \0 x - // if having, we delete it8 d8 Y: n/ |. M/ ]2 t3 u5 f4 l
- tag_t part= UF_PART_ask_display_part();: J2 o# W0 y" \9 l3 s
- UF_MODL_ask_exps_of_part(part,&nums,&exps);
2 g( t( f; m3 W2 N$ r/ q" o - UF_UI_open_listing_window();
! n$ `( G @& [' a8 z - if(nums != 0 )/ T m1 _* a7 l9 j( E* `
- {
0 r4 v4 U( J4 N7 y3 X+ n9 Z - for(int i = 0 ; i < nums; i++)
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& g! W2 ^/ B, Q; q1 x, e" { - UF_MODL_ask_exp_tag_string(exps[i],&str_old_exp);. E! s4 G0 Y _
- UF_MODL_dissect_exp_string(str_old_exp,&str,&value,&old_exp_tag);# q: u) }, Y# B0 l: F
- if(!strcmp(str,"new_exp"))" K( C& O8 X2 |8 ?
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- //UF_UI_write_listing_window("we find the alreay expressions ==> new_exp and delete it \n");7 O! O; Y! `% H. m
- //delete expression& V/ `) P$ m# s( ^8 g
- UF_MODL_delete_exp(str);8 a1 |! e4 N- V$ F- S+ Y8 k
- UF_MODL_update();
1 M6 Q2 J! s) [. c& z1 p# c - break;
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! f( C9 S& K+ r q* Z5 ~ - //UF_UI_write_listing_window("we can not find the expression ==> new_exp and create it \n");
$ j& Z: H ^0 S0 G: A m' C2 ~ - UF_MODL_create_exp_tag(exp_str,&new_exp);+ ]" S" f( }. Y5 f; C
- UF_UI_write_listing_window("The new created expression is : \n");. p5 v; ?5 w+ Z( x- u5 ?
- UF_MODL_ask_exp_tag_string(new_exp,&str_exp);6 Z m2 [ F0 `' K
- UF_UI_write_listing_window(str_exp);
) h" W* t @: B - UF_free(str_exp);5 F3 J9 |" r- Y9 K3 B( J3 l
- UF_free(str); `" U( v' R$ I; y6 w/ J8 c
- UF_free(value);
7 O) w7 {. I; e- D$ A - UF_UI_write_listing_window("\n");</p><p>}</p>
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